The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/toolkit/devtools/server/tests/unit/test_trace_actor-07.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,100 @@
     1.4 +/* Any copyright is dedicated to the Public Domain.
     1.5 + http://creativecommons.org/publicdomain/zero/1.0/ */
     1.6 +
     1.7 +/**
     1.8 + * Tests that the exit frame packets get the correct `why` value.
     1.9 + */
    1.10 +
    1.11 +var gDebuggee;
    1.12 +var gClient;
    1.13 +var gTraceClient;
    1.14 +
    1.15 +function run_test()
    1.16 +{
    1.17 +  initTestTracerServer();
    1.18 +  gDebuggee = addTestGlobal("test-tracer-actor");
    1.19 +  gClient = new DebuggerClient(DebuggerServer.connectPipe());
    1.20 +  gClient.connect(function() {
    1.21 +    attachTestTab(gClient, "test-tracer-actor", function(aResponse, aTabClient) {
    1.22 +      gClient.attachTracer(aResponse.traceActor, function(aResponse, aTraceClient) {
    1.23 +        gTraceClient = aTraceClient;
    1.24 +        test_exit_frame_whys();
    1.25 +      });
    1.26 +    });
    1.27 +  });
    1.28 +  do_test_pending();
    1.29 +}
    1.30 +
    1.31 +function test_exit_frame_whys()
    1.32 +{
    1.33 +  gClient.addListener("traces", (aEvent, { traces }) => {
    1.34 +    for (let t of traces) {
    1.35 +      if (t.type == "exitedFrame") {
    1.36 +        check_trace(t);
    1.37 +      }
    1.38 +    }
    1.39 +  });
    1.40 +
    1.41 +  start_trace()
    1.42 +    .then(eval_code)
    1.43 +    .then(stop_trace)
    1.44 +    .then(function() {
    1.45 +      finishClient(gClient);
    1.46 +    }).then(null, error => {
    1.47 +      do_check_true(false, "Should not get an error, got: " + error);
    1.48 +    });
    1.49 +}
    1.50 +
    1.51 +function start_trace()
    1.52 +{
    1.53 +  let deferred = promise.defer();
    1.54 +  gTraceClient.startTrace(["name"], null, function() { deferred.resolve(); });
    1.55 +  return deferred.promise;
    1.56 +}
    1.57 +
    1.58 +function eval_code()
    1.59 +{
    1.60 +  gDebuggee.eval("(" + function() {
    1.61 +    function thrower() {
    1.62 +      throw new Error();
    1.63 +    }
    1.64 +
    1.65 +    function* yielder() {
    1.66 +      yield 1;
    1.67 +    }
    1.68 +
    1.69 +    function returner() {
    1.70 +      return 1;
    1.71 +    }
    1.72 +
    1.73 +    try {
    1.74 +      thrower();
    1.75 +    } catch(e) {}
    1.76 +
    1.77 +    // XXX bug 923729: Can't test yielding yet.
    1.78 +    // for (let x of yielder()) {
    1.79 +    //   break;
    1.80 +    // }
    1.81 +
    1.82 +    returner();
    1.83 +  } + ")()");
    1.84 +}
    1.85 +
    1.86 +function stop_trace()
    1.87 +{
    1.88 +  let deferred = promise.defer();
    1.89 +  gTraceClient.stopTrace(null, function() { deferred.resolve(); });
    1.90 +  return deferred.promise;
    1.91 +}
    1.92 +
    1.93 +function check_trace(aEvent, { sequence, why })
    1.94 +{
    1.95 +  switch(sequence) {
    1.96 +  case 3:
    1.97 +    do_check_eq(why, "throw");
    1.98 +    break;
    1.99 +  case 5:
   1.100 +    do_check_eq(why, "return");
   1.101 +    break;
   1.102 +  }
   1.103 +}